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Ceramic nanomaterials are being studied as scaffold materials for building artificial bones and other biomaterials, report scientists at the Rensselaer Nanotechnology Center, Renssalaer Polytechnic Institute, Troy, New York.

Artificial bones and other biomaterials need specially designed scaffolds that can direct how cells grow into different types of body tissues.

The team examined the behavior of mesenchymal stem cells (MSCs), which are derived from bone marrow, on a number of ceramic materials that could serve as scaffolds.

They found that the size and chemistry of the nanoparticles that make up the ceramic materials has an impact on the way MSCs stick to the surfaces, and that one protein is primarily responsible for this impact: vitronectin, one of the major adhesive proteins found in human blood. …

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